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Finding the Fourth Proportional to 60,252.53, 90,388.85 and 20,799.05

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Solution

The fourth proportional to 60,252.53, 90,388.85 and 20,799.05 is: 31,202.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,252.53 : 90,388.85 = 20,799.05 : x
  2. Step 2: Convert to fraction form
    60,252.53/90,388.85 = 20,799.05/x
  3. Step 3: Cross multiply
    60,252.53x = 90,388.85 × 20,799.05
  4. Step 4: Simplify right side
    60,252.53x = 1,880,001,654.65
  5. Step 5: Solve for x
    x = 1,880,001,654.65/60,252.53
  6. Step 6: Final answer
    x = 31,202.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.